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Two case reports describing patients having cardiac operations under extra corporeal circulation are presented. At the completion of the operation, a massive hemoptysis occurred in both patients after a Swan-Ganz catheter had perforated the pulmonary artery. A hemostasis lobectomy was then immediately required. The immediate and long term prognosis seems satisfactory. This is an unusual but serious complication. The incidence of this complication varies between 0.06 and 0.2%. The more frequently related risk factors include people over the age of 60, pulmonary artery hypertension, anticoagulant therapy, hypothermia and manipulation of the heart by the surgeon. When this accident occurs, many authors suspect the balloon. An early diagnosis is essential in the case of a major or even a minor hemoptysis, because this complication may be a lethal one as the mortality rate may reach 50%. According to us, the appropriate therapy which would reduce this mortality is a surgical one (hemostasis lobectomy).

77 pure iliac aneurysms where detected in a group of 48 patients along a period of 21 years, and represented 12.3% of all patients having aortic, iliac, or aorto-iliac aneurysms. The study group comprised 42 men and 6 women, 48-86 years old (mean 67.8 years). The aneurysm was located on the right side in 51.9%, on left side in 48.1%. The affection of the common iliac arteries (70.1%) was more frequent than it was on the internal iliac arteries (18.2%), or in the external iliac arteries (11.7%). The diameter was from 2 to 10 cms. 44 patients out of 48 (91.6%) where symptomatic, and 15 presented a rupture syndrome (31.3%). 10 patients (20.8%) had a pulsating mass. The etiology was unknown in 8 cases (16.7%); 2 patients had a mycotic aneurysm (4.2%). The remaining 38 patients (79.1%) had an aneurysm of atheromatous origin. 5 arteritic patients (10.4%) did not have any cure for their aneurysm, because it was considered threatening for 4 of them. The fifth patient was not treated because the artery was so calcified that it could not be clamped. A lumbar sympathectomy on the same side of the lesion was realised, in addition to the peripheral surgical act for arteritis. One patient had an endoaneurysmorrhaphy, another had an exclusion by ligature section of the aneurysm. For the remaining 41 patients (83.1%) the aneurysms where flattened, and vascular continuity was re-established by a prosthesis. 7 patients (12%) decreased post-operatively.(ABSTRACT TRUNCATED AT 250 WORDS)

We report about one case of acute dissection of the infrarenal abdominal aorta associated with a horseshoe kidney. A few points in the history of this 47-year-old patient deserve being underscored: the absence of an "etiological" factor of aortic dissection, the presence of five renal arteries, illustrating the complex vascularity of a horseshoe kidney, the specific surgical problems arising from both a lesion of the aortic junction and a horseshoe kidney. On the basis of the literature, we underline the incidence of dissection of the infrarenal aorta (1 to 3%), that of horseshoe kidney (0.15%) and that of pathology of the aortic junction in patients with a horseshoe kidney, which seems to be accidental.